Vehicle-tire.



J. A. BLACK.

VEHICLE TIRE.

APPLICATION FILED DEC.2. 1913.

1, 1 48,072. Patented July 27, 1915.

cibhn 7. 32007:

JOHN A. BLACK, 01? SPRINGFIELD, OHIO.

VEHICLE-TIRE.

Specification of Letters Patent.

Patented July 27, 1915.

Application filed. December 2, 1913. Serial No. 804,244.

To all whom it may concern Be it known that I, JOHN A. BLACK, a

citizen of the United States, residing at support of the outer case or shoe and to substitute therefor a metallic core which is nonpuncturable and which will hold the outer case or shoe distended while providing for the necessary resiliency thereof.

With the above and other objects in view, the invention consists in the construction, combination and arrangement of parts, as will hereinafter be more fully described, illustrated and claimed.

In the accompanying drawings, Figure 1 is a side elevation of a portion of the inner tube or core of a tire constructed in accordance with the present invention. Fig. 2 is a cross section through the core on the line 2-2 of Fig. 1. Fig. 3 is an outer face view of a section of the tire showing the manner of connecting the coils of the core to the facing strips.

The main body of the resilient inner core is formed as shown in Fig. 1 of a continuous spirally wound spring the convolutions of which are designated at 1.

In making up the spring core, a flat strip of steel is employed said strip being of any suitable width and of a length sufficient to form the entire core. Furthermore, the edges of said strip are rounded as shown at 2 so as to avoid any possibility of the same chafing the outer case or shoe and the convolutions 1 are so wound as to leave intervening spaces 3 thereby giving free play to all parts of the spring core. At the inner side, the convolutions are all fastened to a centrally arranged body strip or stringer 4 of sheet metal, the different convolutions being preferably riveted thereto as shown at 5. This serves to keep all ofthe convolutions in proper relation to each other and assures the maintenance of the proper intervals between the convolutions.

Gopies of this patent may be obtained for five cents each, by addressing the Extending along the outer surface of the core and connecting the outer portions of the convolutions 1 are parallel facing strips 6, 7 and 8. These strips are fastened to the convolutions preferably by rivets as indicated at 9 and by reference to Fig. 8 it will be noted that the rivets 9 are arranged in oblique rows, each of said strips being riveted or fastened to every third convolution. This prevents weakening the convolutions at too many points and adds greatly to the strength of the resilient core as a whole.

I do not of course desire to be limited to the exact number of facing strips 6, 7 and 8 shown and described, as it will be apparent that the number of said strips may be increased or diminished without departing from the principle of the invention.

The resilient core hereinabove described takes the place of the ordinary inner tube of an inflated pneumatic tire, the outer case being thus supported without compressed air so that the forcing of nails, tacks and other articles through the outer case will not cause the collapse thereof as in the case of a pneumatic tire.

What I claim is:

A supporting resilient core for tires consisting of a spirally wound spring compose of a fiat strip having rounded edges, a concaved spring supporting body strip or stringer extending longitudinally of the rim portions and outside faces of the convolutions andhaving said convolutions fastened permanently thereto, and a plurality of parallel concaved facing strips extending longitudinally of and covering the entire tread portion of said spring and fastened to the outer faces of the convolutions in closely spaced relation to each other, all of said longitudinally extending strips conforming to the longitudinal and transverse curvature of said spring.

In testimony whereof I affix my signature in presence of two witnesses.

JOHN A. BLACK.

Witnesses:

FLonnNon J. BLACK, A. C. LINK.

Commissioner of Patents,

Washington, D. G. 

